The Ergobag WonBearland Cubo Slim Backpack is an awesome ergonomic option for your kids. The WonBearland backpack features a hip belt and chest belt to help distribute the weight and support good posture. The padded hip belt will take weight away from the shoulders and distribute it to the stronger pelvic area. Featuring a stabilizing aluminum frame that can be adjusted for different heights so this bag can grow just as quickly as your child. Made of 100% recycled PET bottles to get your kids started on saving the planet.